On Thu, May 07, 2020 at 03:50:56PM +0800, Zhen Lei wrote: > +++ b/mm/page_io.c > @@ -38,7 +38,7 @@ static struct bio *get_swap_bio(gfp_t gfp_flags, > > bio->bi_iter.bi_sector = map_swap_page(page, &bdev); > bio_set_dev(bio, bdev); > - bio->bi_iter.bi_sector <<= PAGE_SHIFT - 9; > + bio->bi_iter.bi_sector *= PAGE_SECTORS; > bio->bi_end_io = end_io;
This just doesn't look right. Why is map_swap_page() returning a sector_t which isn't actually a sector_t?
